The Supreme Court's Five Greatest Moments

This month, as the Supreme Court finalizes some unusually momentous decisions, it’s a good time to ask: Which of the justices' opinions have been the greatest of all time? 

To qualify as great, an opinion must be foundational, in the sense that it helps orient large areas of the law. It also has to have extraordinary analytic power or sheer eloquence. Here's my short list, in ascending order: